package chat

import (
	"context"
	"fmt"
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	"time"

	"go.mongodb.org/mongo-driver/bson/primitive"
	"google.golang.org/protobuf/proto"
)

//参数校验
func (this *apiComp) SendCheck(session comm.IUserSession, req *pb.ChatSendReq) (code pb.ErrorCode) {
	if (req.Channel == pb.ChatChannel_Union && req.TargetId == "") || (req.Channel == pb.ChatChannel_Private && req.TargetId == "") {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

///消息发送请求
func (this *apiComp) Send(session comm.IUserSession, req *pb.ChatSendReq) (code pb.ErrorCode, data proto.Message) {
	var (
		err        error
		max        int32
		msg        *pb.DBChat
		userexpand *pb.DBUserExpand
		max_chat   int32
	)
	if code = this.SendCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	msg = &pb.DBChat{
		Id:          primitive.NewObjectID().Hex(),
		Channel:     req.Channel,
		Suid:        session.GetUserId(),
		Slv:         req.Ulv,
		Uname:       req.Uname,
		Avatar:      req.Avatar,
		Stag:        session.GetServiecTag(),
		Ctype:       req.Ctype,
		Content:     req.Content,
		Ctime:       time.Now().Unix(),
		AppendInt:   req.AppendInt,
		AppendStr:   req.AppendStr,
		AppendBool:  req.AppendBool,
		AppendBytes: req.AppendBytes,
	}
	if max, err = this.module.configure.GetChannelRecordMax(); err != nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}
	if max_chat, err = this.module.configure.GetChannelRecordMax(); err != nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}
	switch msg.Channel {
	case pb.ChatChannel_World:
		if this.module.options.GM { //判断gm命令
			if IsCmd(req.Content) { //是否是GM命令
				if _, err = this.service.AcrossClusterRpcGo(
					context.Background(),
					session.GetServiecTag(),
					comm.Service_Worker,
					string(comm.Rpc_ModuleGMCreateCmd),
					pb.RPCGeneralReqA2{Param1: session.GetUserId(), Param2: req.Content},
					nil); err != nil {
					this.module.Errorln(err)
				}
				session.SendMsg(string(this.module.GetType()), "send", &pb.ChatSendResp{Issucc: true})
				return
			}
			code = pb.ErrorCode_Success
		}

		if err = this.module.modelChat.addChatMsg(fmt.Sprintf("%s-%s", worldchatkey, session.GetServiecTag()), int64(max), msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		if err = this.module.PushWorld(msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		//随机任务
		if _, err = this.service.AcrossClusterRpcGo(
			context.Background(),
			session.GetServiecTag(),
			comm.Service_Worker,
			string(comm.Rpc_ModuleRtaskSendTask),
			pb.RPCRTaskReq{Uid: session.GetUserId(), TaskType: int32(comm.Rtype62), Param1: 1},
			nil); err != nil {
			this.module.Errorln(err)
		}
		break
	case pb.ChatChannel_Union:
		msg.UnionId = req.TargetId
		if err = this.module.modelChat.addChatMsg(fmt.Sprintf("%s:%s", unionchatkey, req.TargetId), int64(max_chat), msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		if err = this.module.PushUnion(req.TargetId, msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		break
	case pb.ChatChannel_Private:
		msg.Ruid = req.TargetId
		if err = this.module.PushUser(msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		session.SendMsg(string(this.module.GetType()), "message", &pb.ChatMessagePush{Chat: msg})
		break
	case pb.ChatChannel_CrossServer:
		if userexpand, err = this.module.ModuleUser.GetUserExpand(session.GetUserId()); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		msg.ChannelId = userexpand.Chatchannel //指定频道
		if err = this.module.modelChat.addChatMsg(fmt.Sprintf("%s-%d", crosschatkey, userexpand.Chatchannel), int64(max_chat), msg); err != nil {
			code = pb.ErrorCode_DBError
			return
		}
		this.module.PushToUsers(userexpand.Chatchannel, msg)
		break
	default:
		code = pb.ErrorCode_ReqParameterError
		this.module.Errorf("getlist no support channel:%d ", req.Channel)
		return
	}
	session.SendMsg(string(this.module.GetType()), "sendcross", &pb.ChatSendResp{Issucc: true})
	return
}